<div class="tophead">
    <div class="logo"><a href="/" style="color: rgb(85,85,85);" onmouseover="this.style('color','black')">陈帅个人博客</a></div>
    <div id="mnav">
        <h2><span class="navicon"></span></h2>
        <ul>
            {foreach $data['nav'] as $key=>$vo }
            <li><a href="{$vo.url}">{$vo.title}</a></li>
            {/foreach}
        </ul>
    </div>
    <nav class="topnav" id="topnav">
        <ul>
            {foreach $data['nav'] as $key=>$vo }
            <li><a href="{$vo.url}">{$vo.title}</a></li>
            {/foreach}
        </ul>
    </nav>
</div>